Dependant on the laws of the state or country that you are driving in.
70
50 mph
Dallas
70 mph daytime/ 65mph nightime 85 80 MPH (daylight hours only) 60 miles per hour daytime 60 nighttime 55 Day time 70 & Night time 65.
60km/hr
A realistic speed limit depends on the circumstances, the vehicle, the conditions and the ability of the person in charge. A speed limit suitable for race cars would not be suitable for urban areas.
70 MPH
wrong.
65, except through urban areas, where it's even lower.
In Ohio, the speed limit on most roads is 55 mph, unless otherwise posted. In urban areas, the speed limit is typically 25-35 mph. On highways, the speed limit is usually 65-70 mph. Drivers must adhere to these speed limits to avoid fines and ensure safety on the roads.
The speed limit in Japan is typically 60-100 km/h (37-62 mph) on urban roads and 80-120 km/h (50-75 mph) on highways.
35 mph in an urban or residential setting. 55 mph on a highway.